/Engine/Source/Runtime/GeometryCore/Public/MeshQueries.h
Convenience function to construct a IntrRay3Triangle3 object for a Mesh triangle
static [FIntrRay3Triangle3d](API\Runtime\GeometryCore\Intersection\FIntrRay3Triangle3d) TriangleIntersection ( const TriangleMeshType & Mesh, int TriIdx, const FRay3d & Ray )